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OpenStudy (anonymous):
If two of these stocks are randomly selected, what is the probability at least one will have a price above $45?
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OpenStudy (anonymous):
OpenStudy (anonymous):
looks like 4 have price above $45 yes?
OpenStudy (anonymous):
so answer is \[\frac{4}{10}+\frac{4}{10}-(\frac{4}{10})^2\]
OpenStudy (anonymous):
i get .64
OpenStudy (anonymous):
hmmm that wasn't correct
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